Cactus (WHD) DEFA14A Additional proxy soliciting materials

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934 (Amendment No.     )

Filed by the Registrant  x
Filed by a Party other than the Registrant  o
Check the appropriate box:
o	Preliminary Proxy Statement
o	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
o	Definitive Proxy Statement
x	Definitive Additional Materials
o	Soliciting Material under §240.14a-12
Cactus, Inc.
(Name of Registrant as Specified In Its Charter)
(Name of Person(s) Filing Proxy Statement, if other than the Registrant)
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x	No fee required.
o	Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.
	(1)		Title of each class of securities to which transaction applies:
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	(2)	Form, Schedule or Registration Statement No.:
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	(4)	Date Filed:

Important Notice of Availability of Proxy Materials for the Stockholder Meeting of CACTUS, INC. To Be Held On: June 20, 2018 at 9:00 a.m. Central Time at the offices of Baker Botts L.L.P., 910 Louisiana Street, Suite 3000, Houston, Texas 77002 This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all of the important information contained in the proxy materials before voting. If you want to receive a paper or e-mail copy of the proxy materials you must request one. There is no charge to you for requesting a copy. To facilitate timely delivery please make the request as instructed below before 6/8/2018. Please visit http://www.astproxyportal.com/ast/22025/, where the following materials are available for view: • Notice of 2018 Annual Meeting of Stockholders • Proxy Statement • Form of Electronic Proxy Card • Annual Report on Form 10-K TO REQUEST MATERIAL: TELEPHONE: 888-Proxy-NA (888-776-9962) 718-921-8562 (for international callers) E-MAIL: info@astfinancial.com WEBSITE: https://us.astfinancial.com/OnlineProxyVoting/ProxyVoting/RequestMaterials ONLINE: To access your online proxy card, please visit www.voteproxy.com and follow the on-screen instructions or scan the QR code with your smartphone. You may enter your voting instructions at www.voteproxy.com up until 12:00 a.m. Eastern Time on the meeting date. IN PERSON: You may vote your shares in person by attending the Annual Meeting. MAIL: You may request a card by following the instructions above. TO VOTE: 1. Election of Directors: NOMINEES: Michael McGovern John (Andy) O’Donnell Please note that you cannot use this notice to vote by mail. 2. Ratification of the selection of PricewaterhouseCoopers LLP as auditors. In their discretion, the proxies are authorized to vote upon such other business as may properly come before the Annual Meeting. THE BOARD OF DIRECTORS RECOMMENDS A VOTE "FOR" THE ELECTION TO THE BOARD OF EACH OF THE NOMINEES LISTED IN PROPOSAL 1 AND "FOR" PROPOSAL 2. COMPANY NUMBER ACCOUNT NUMBER CONTROL NUMBER